The price of a stock decrease by 60 cents one week , decreased 10 cents the next week , and decreased another 20 cents the following week

what is the average change in the price of the stock over the three weeks ?

-270 cents

-90

-87

-30

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.